Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Billings, MT

<< 1 2 3 4 5 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
406-661 0 BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2018-10-09   
406-661 1 BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-661 2 BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-661 3 BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-661 4 BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2020-04-13   
406-661 5 BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-661 6 BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2020-04-13   
406-661 7 BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-661 8 BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2020-05-13   
406-661 9 BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-670 A BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-671 A BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-672 A BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-690 A BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-694 A BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-694 0 BZMNMTHZDS0  746D MONTANA OPTICOM, LLC - MT 650   2010-08-16   
406-694 1 BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2012-04-06   
406-694 2 BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2011-02-25   
406-694 3 BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2011-03-18   
406-694 4 BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2011-04-04   
406-694 5 BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2011-06-03   
406-694 6 BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2011-07-05   
406-694 7 BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2011-08-02   
406-694 8 BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2011-07-08   
406-694 9 BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2011-08-04   
406-696 A BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-697 A BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-698 A BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-702 A BLNGMT93HMD  792K CHARTER IP ENABLED SERVICES, LLC 650      
406-702 0 BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2012-09-13   
406-702 1 BLNGMT93HMD  792K CHARTER IP ENABLED SERVICES, LLC 650   2012-05-06   
406-702 2 BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2012-09-21   
406-702 3 BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2012-09-21   
406-702 4 BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2012-09-21   
406-702 5 BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2012-09-21   
406-702 6 BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2012-10-15   
406-702 7 BLNGMT93HMD  792K CHARTER IP ENABLED SERVICES, LLC 650   2013-12-06   
406-702 8 BLNGMTMALMD  994E BANDWIDTH.COM CLEC, LLC - MT 650   2022-11-17   
406-702 9 BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2012-10-30   
406-717 A BLNGMT937MD  197D VONAGE AMERICA LLC 650      
406-717 0 BLNGMT937MD  197D VONAGE AMERICA LLC 650   2018-07-30   
406-717 1 BLNGMTWEDMD  624H ONVOY SPECTRUM, LLC 650   2022-11-12   
406-717 2 BLNGMTWEDMD  624H ONVOY SPECTRUM, LLC 650   2022-11-12   
406-717 3 BLNGMTWEDMD  624H ONVOY SPECTRUM, LLC 650   2022-11-12   
406-717 4 BLNGMTMAXMD  6529 T-MOBILE USA, INC. 650   2022-01-14   
406-717 5 BLNGMTMAXMD  6529 T-MOBILE USA, INC. 650   2022-01-14   
406-717 6 BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2020-04-04   
406-717 7 BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2020-04-04   
406-717 8 BLNGMTMAXMD  6529 T-MOBILE USA, INC. 650   2021-03-12   
406-717 9 BLNGMTMAXMD  6529 T-MOBILE USA, INC. 650   2021-03-12   
406-794 A BLNGMTAS9MD  453F ONVOY, LLC - MT 650      
406-794 0 BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2006-05-08   
406-794 1 BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2007-06-12   
406-794 2 BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2007-06-26   
406-794 3 BLNGMTMALMD  994E BANDWIDTH.COM CLEC, LLC - MT 650   2011-01-06   
406-794 4 BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2007-08-20   
406-794 5 BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2007-08-31   
406-794 6 BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2007-09-07   
406-794 7 BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2007-12-18   
406-794 8 BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2007-12-28   
406-794 9 BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2008-01-11   
406-831 A BLNGMT933MD  073H TELNYX LLC 650      
406-831 0 BLNGMTMALMD  994E BANDWIDTH.COM CLEC, LLC - MT 650   2022-11-17   
406-831 1 BLNGMT933MD  073H TELNYX LLC 650   2017-02-11   
406-831 2 BLNGMTMAMMD  6010 NEW CINGULAR WIRELESS PCS, LLC 650   2022-10-02   
406-831 3 BLNGMTMAMMD  6010 NEW CINGULAR WIRELESS PCS, LLC 650   2022-10-02   
406-831 4 BLNGMTWEBMD  771G TELEPORT COMMUNICATIONS AMERICA MT - LLC 650   2017-04-14   
406-831 5 BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2020-12-03   
406-831 6 BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2020-12-03   
406-831 7 BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2020-12-03   
406-831 8 BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2020-12-03   
406-831 9 BLNGMTMALMD  994E BANDWIDTH.COM CLEC, LLC - MT 650   2022-11-17   
406-839 A BLNGMT93HMD  792K CHARTER IP ENABLED SERVICES, LLC 650      
406-839 0 BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2008-01-25   
406-839 1 BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2008-03-17   
406-839 2 BLNGMT93HMD  792K CHARTER IP ENABLED SERVICES, LLC 650   2007-12-02   
406-839 3 BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2008-03-17   
406-839 4 BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2008-03-31   
406-839 5 BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2008-07-11   
406-839 6 BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2008-07-31   
406-839 7 BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2008-08-21   
406-839 8 BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2008-10-10   
406-839 9 BLNGMT93HMD  792K CHARTER IP ENABLED SERVICES, LLC 650   2006-11-21   
406-850 A BLNGMTMAMMD  6010 NEW CINGULAR WIRELESS PCS, LLC 650      
406-850 0 BLNGMTMAMMD  6010 NEW CINGULAR WIRELESS PCS, LLC 650      
406-850 1 BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2008-10-24   
406-850 2 BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2008-11-07   
406-850 3 BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2009-02-23   
406-850 4 BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2009-03-16   
406-850 5 BLNGMTMAMMD  6010 NEW CINGULAR WIRELESS PCS, LLC 650   2009-05-07   
406-850 6 BLNGMTMAMMD  6010 NEW CINGULAR WIRELESS PCS, LLC 650   2009-05-07   
406-850 7 BLNGMTMAMMD  6010 NEW CINGULAR WIRELESS PCS, LLC 650   2014-10-23   
406-850 8 BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2009-08-17   
406-850 9 BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2009-09-14   
406-855 A BLNGMTMAMMD  6010 NEW CINGULAR WIRELESS PCS, LLC 650      
406-860 A BLNGMTMAMMD  6010 NEW CINGULAR WIRELESS PCS, LLC 650      
406-861 A BLNGMTMAMMD  6010 NEW CINGULAR WIRELESS PCS, LLC 650      
406-861 0 BLNGMTMAMMD  6010 NEW CINGULAR WIRELESS PCS, LLC 650      
406-861 1 BLNGMTMAMMD  6010 NEW CINGULAR WIRELESS PCS, LLC 650      
406-861 2 BLNGMTMAMMD  6010 NEW CINGULAR WIRELESS PCS, LLC 650      

<< 1 2 3 4 5 >>

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.